When did momondo last update prices for flights from Houston to Islip Long Island Airport?

Prices for flights from Houston to Islip Long Island Airport refresh daily.

How many operators does momondo search for flights from Houston to Islip Long Island Airport?

There is 1 operator available for flights from Houston to Islip Long Island Airport as of January 2026.

How old do you have to be to fly from Houston to Islip Long Island Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Islip Long Island Airport.

What documentation or ID do you need to fly to Islip Long Island Airport?

The required travel and health documents for your Islip Long Island Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Islip Long Island Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$70 Cheap Flights from Houston to Islip in 2026

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Find the cheapest flights from Houston to New York

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Cheap round-trip flights

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11:08 am - 6:38 pm

IAH

ISP

6h 30m1 stop

7:33 pm - 10:28 am

ISP

IAH

15h 55m1 stop

$134Frontier

Fri, Jan 30 - Fri, Feb 6

8:18 pm - 7:48 am

IAH

ISP

10h 30m1 stop

10:43 am - 8:08 pm

ISP

IAH

10h 25m1 stop

$175Frontier

Sat, Feb 28 - Sat, Mar 7

11:08 am - 11:10 am

IAH

ISP

23h 02m2 stops

2:31 pm - 9:43 pm

ISP

IAH

8h 12m1 stop

$176Multiple Airlines

Fri, Jan 30 - Fri, Feb 6

8:16 pm - 8:55 am

IAH

ISP

11h 39m1 stop

12:00 pm - 9:57 pm

ISP

IAH

10h 57m1 stop

$183Frontier

Sat, Jan 17 - Tue, Jan 20

8:18 pm - 7:38 am

IAH

ISP

10h 20m1 stop

8:23 am - 6:28 pm

ISP

IAH

11h 05m1 stop

$184Frontier

Thu, Feb 26 - Mon, Mar 2

8:18 pm - 8:40 am

IAH

ISP

11h 22m1 stop

9:43 pm - 9:00 am

ISP

IAH

12h 17m1 stop

$189Frontier

Sat, Jan 31 - Fri, Feb 6

6:05 am - 2:35 pm

HOU

ISP

7h 30m1 stop

3:45 pm - 8:45 pm

ISP

HOU

6h 00m1 stop

$321Southwest

Tue, Feb 3 - Tue, Feb 10

3:45 pm - 9:55 pm

HOU

ISP

5h 10m1 stop

12:40 pm - 7:45 pm

ISP

HOU

8h 05m2 stops

$326Southwest

Tue, Feb 3 - Tue, Feb 10

6:30 am - 4:15 pm

HOU

ISP

8h 45m2 stops

3:45 pm - 10:40 pm

ISP

HOU

7h 55m2 stops

$332Southwest

Tue, Feb 3 - Tue, Feb 10

11:00 am - 6:30 pm

HOU

ISP

6h 30m1 stop

12:45 pm - 9:00 pm

ISP

HOU

9h 15m2 stops

$424Southwest

Tue, May 12 - Thu, May 21

Southwest flights from Houston to Islip, New York

Our best Southwest deals on Houston to Islip, New York flight tickets

Southwest

Feb 3

HOU6:05 amHouston Hobby

7h 30m

1 stop

ISP2:35 pmIslip Long Island

Feb 10

ISP3:45 pmIslip Long Island

6h 00m

1 stop

HOU8:45 pmHouston Hobby

$321

Find similar

Southwest

Feb 3

HOU3:45 pmHouston Hobby

5h 10m

1 stop

ISP9:55 pmIslip Long Island

Feb 10

ISP12:40 pmIslip Long Island

8h 05m

2 stops

HOU7:45 pmHouston Hobby

$326

Find similar

Southwest

Feb 3

HOU6:30 amHouston Hobby

8h 45m

2 stops

ISP4:15 pmIslip Long Island

Feb 10

ISP3:45 pmIslip Long Island

7h 55m

2 stops

HOU10:40 pmHouston Hobby

$332

Find similar

Frontier flights from Houston to Islip, New York

Our best Frontier deals on Houston to Islip, New York flight tickets

Frontier

Jan 30

IAH11:08 amHouston George Bush Intcntl

6h 30m

1 stop

ISP6:38 pmIslip Long Island

Feb 6

ISP7:33 pmIslip Long Island

15h 55m

1 stop

IAH10:28 amHouston George Bush Intcntl

$134

Find similar

Frontier

Feb 28

IAH8:18 pmHouston George Bush Intcntl

10h 30m

1 stop

ISP7:48 amIslip Long Island

Mar 7

ISP10:43 amIslip Long Island

10h 25m

1 stop

IAH8:08 pmHouston George Bush Intcntl

$175

Find similar

Frontier

Jan 17

IAH8:16 pmHouston George Bush Intcntl

11h 39m

1 stop

ISP8:55 amIslip Long Island

Jan 20

ISP12:00 pmIslip Long Island

10h 57m

1 stop

IAH9:57 pmHouston George Bush Intcntl

$183

Find similar

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Route

Depart

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Price

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Fri 1/30

11:08 am-6:38 pm

1 stop6h 30m

Islip Long Island

Fri 2/6

7:33 pm-10:28 am

1 stop15h 55m

$134

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Sat 2/28

8:18 pm-7:48 am

1 stop10h 30m

Islip Long Island

Sat 3/7

10:43 am-8:08 pm

1 stop10h 25m

$175

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Fri 1/30

11:08 am-11:10 am

2 stops23h 02m

Islip Long Island

Fri 2/6

2:31 pm-9:43 pm

1 stop8h 12m

$176

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Sat 1/17

8:16 pm-8:55 am

1 stop11h 39m

Islip Long Island

Tue 1/20

12:00 pm-9:57 pm

1 stop10h 57m

$183

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Thu 2/26

8:18 pm-7:38 am

1 stop10h 20m

Islip Long Island

Mon 3/2

8:23 am-6:28 pm

1 stop11h 05m

$184

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Sat 1/31

8:18 pm-8:40 am

1 stop11h 22m

Islip Long Island

Fri 2/6

9:43 pm-9:00 am

1 stop12h 17m

$189

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Tue 2/3

6:05 am-2:35 pm

1 stop7h 30m

Islip Long Island

Tue 2/10

3:45 pm-8:45 pm

1 stop6h 00m

$321

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Tue 2/3

3:45 pm-9:55 pm

1 stop5h 10m

Islip Long Island

Tue 2/10

12:40 pm-7:45 pm

2 stops8h 05m

$326

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Tue 2/3

6:30 am-4:15 pm

2 stops8h 45m

Islip Long Island

Tue 2/10

3:45 pm-10:40 pm

2 stops7h 55m

$332

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Tue 5/12

11:00 am-6:30 pm

1 stop6h 30m

Islip Long Island

Thu 5/21

12:45 pm-9:00 pm

2 stops9h 15m

$424

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Houston to Islip, New York

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Houston to Islip Long Island?

Frontier is the most popular carrier operating from Houston to Islip Long Island

What airlines fly to Islip, New York?

Spirit Airlines, United Airlines and Delta are the top three most popular airlines that fly to Islip, New York from Houston according to our data. Spirit Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 7 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

Cheap Houston to Islip, New York flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston to Islip, New York

Fastest flight time	6h 09m
Direct flights	None

The fastest flight from Houston to Islip, New York takes 6h 09m

There are no direct flights from Houston to Islip, New York. There are no popular flight routes from Houston to Islip, New York.

Search flight deals

How far is Houston to Islip Long Island by plane?
Islip Long Island is 1454.8 mi away from Houston. In terms of flight time, this usually takes a little over 6h 09m.
When did momondo last update prices for flights from Houston to Islip Long Island Airport?
Prices for flights from Houston to Islip Long Island Airport refresh daily.
How many operators does momondo search for flights from Houston to Islip Long Island Airport?
There is 1 operator available for flights from Houston to Islip Long Island Airport as of January 2026.
How old do you have to be to fly from Houston to Islip Long Island Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Islip Long Island Airport.
What documentation or ID do you need to fly to Islip Long Island Airport?
The required travel and health documents for your Islip Long Island Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Islip Long Island Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Houston to Islip, New York

Compare and see reviews for airlines that fly from Houston to Islip, New York with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $336	Free Cancellation	Rating 8.0 4,248 reviews		Search Southwest flights

Montauk

Riverhead

Sag Harbor

Southampton

Amagansett

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Islip?

Finding the right flight to Islip from Houston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Islip quick and easy, saving you time and money.

Can I find flights from Houston to Islip with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Islip from Houston with this policy.

How can momondo help me find flights from Houston to Islip?

momondo helps you find the best flight between Houston and Islip by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Houston to Islip right now. Can momondo alert me if prices change?

Price alerts on flights to Islip from Houston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.